New sex partner acquisition and sexually transmitted disease risk among adolescent females.
D000293:Adolescent; D000294:Adolescent Behavior; D000328:Adult; D002641:Chicago / Q000453:epidemiology; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D012307:Risk Factors; D012747:Sexual Partners; D012749:Sexually Transmitted Diseases / Q000175:diagnosis / Q000453:epidemiology / Q000635:transmission*